trefle.io · Taken Jan 1, 1900 by EOL − Encyclopedia of Life (gpl)
Asteraceae
Leafy arnica
Arnica chamissonis
Also known as Arnica exigua, Arnica rubricaulis, Arnica foliosa, Arnica foliosa var. bernardina
Flowering Plants · Edibles & Herbs · Native Plants · Arnica · Medicinal · Alpine · Wildflower · Yellow Flowers · Perennial · Pollinator · Rock Garden · Herbal · Daisy
Leafy arnica is a mountain wildflower best grown in full sun with cool temperatures and well-drained, slightly acidic soil. It prefers consistent moisture and dislikes hot, humid conditions, making it ideal for alpine or rock gardens. The bright yellow daisy-like flowers are prized in herbal medicine and attract a variety of pollinators.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water moderately, keeping soil evenly moist but never waterlogged · Every 7-10 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 6–7.2
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 10 ft – 30 ft
- Spread
- 15 ft
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- Yellow
- Foliage
- Green · Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Alaska, Alberta, Arizona, Austria, British Columbia, California, Colorado, Idaho, Labrador, Manitoba, Montana, Nevada, New Mexico, Northwest Territorie, Ontario, Oregon, QuéBec, Saskatchewan, Sweden, Utah
- Attracts
- Bees, Butterflies, Moths
Sources: trefle, usda
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